diff --git a/Makefile b/Makefile
index 1fd5db3..4640f7c 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@
 # Default browserify options: create a standalone bundle, and use sourcemaps.
 BROWSERIFY_OPTS := --standalone vanadium --debug
 # Names that should not be mangled by minification.
-RESERVED_NAMES := 'context,ctx,callback,cb,$$stream'
+RESERVED_NAMES := 'context,ctx,callback,cb,$$stream,serverCall'
 # Don't mangle RESERVED_NAMES, and screw ie8.
 MANGLE_OPTS := --mangle [--except $(RESERVED_NAMES) --screw_ie8 ]
 # Don't remove unused variables from function arguments, which could mess up signatures.